Re: Random memory corruption with v5.2

From: Andreas Schwab <schwab@suse.de>
To: David Abdurachmanov <david.abdurachmanov@gmail.com>
Cc: linux-riscv@lists.infradead.org
Subject: Re: Random memory corruption with v5.2
Date: Tue, 30 Jul 2019 08:56:36 +0200	[thread overview]
Message-ID: <mvm1ry8au3f.fsf@suse.de> (raw)
In-Reply-To: <CAEn-LTpM-0TMxkNNh6nnLH9Bnr9Zm+VFLf=z1y9sER6RXrQooQ@mail.gmail.com> (David Abdurachmanov's message of "Tue, 30 Jul 2019 01:58:04 +0300")

On Jul 30 2019, David Abdurachmanov <david.abdurachmanov@gmail.com> wrote:

> On Mon, Jul 29, 2019 at 1:51 PM Andreas Schwab <schwab@suse.de> wrote:
>>
>> Since switching to 5.2 kernels I'm seeing random crashes and
>> misbehaviors on the HiFive, for example while building gcc or glibc.
>> Perhaps missing TLB flushes?
>
> Do you have some examples of crashes?

While building glibc:

an_ES.UTF-8...realloc(): invalid pointer
/bin/sh: line 1:  7841 Aborted                 (core dumped) I18NPATH=. GCONV_PATH=/home/abuild/rpmbuild/BUILD/glibc-2.29/cc-base/iconvdata LC_ALL=C /home/abuild/rpmbuild/BUILD/glibc-2.29/cc-base/elf/ld-linux-riscv64-lp64d.so.1 --library-path /home/abuild/rpmbuild/BUILD/glibc-2.29/cc-base:/home/abuild/rpmbuild/BUILD/glibc-2.29/cc-base/math:/home/abuild/rpmbuild/BUILD/glibc-2.29/cc-base/elf:/home/abuild/rpmbuild/BUILD/glibc-2.29/cc-base/dlfcn:/home/abuild/rpmbuild/BUILD/glibc-2.29/cc-base/nss:/home/abuild/rpmbuild/BUILD/glibc-2.29/cc-base/nis:/home/abuild/rpmbuild/BUILD/glibc-2.29/cc-base/rt:/home/abuild/rpmbuild/BUILD/glibc-2.29/cc-base/resolv:/home/abuild/rpmbuild/BUILD/glibc-2.29/cc-base/mathvec:/home/abuild/rpmbuild/BUILD/glibc-2.29/cc-base/support:/home/abuild/rpmbuild/BUILD/glibc-2.29/cc-base/nptl /home/abuild/rpmbuild/BUILD/glibc-2.29/cc-base/locale/localedef $flags --alias-file=../intl/locale.alias -i locales/$input -f charmaps/$charset --prefix=/home/abuild/rpmbuild/BUILDROOT
 /glibc-2.29-0.riscv64 $locale
make[2]: *** [Makefile:422: install-archive-an_ES.UTF-8/UTF-8] Error 134

While building gcc:

../../gcc/ada/exp_aggr.adb: In function 'Exp_Aggr.Expand_N_Aggregate':
../../gcc/ada/exp_aggr.adb:5311:21: warning: 'Csiz' may be used uninitialized in this function [-Wmaybe-uninitialized]
../../gcc/ada/exp_aggr.adb:5220:10: note: 'Csiz' was declared here
+===========================GNAT BUG DETECTED==============================+
| 10.0.0 20190727 (experimental) [trunk revision 273844] (riscv64-suse-linux) |
| Storage_Error stack overflow or erroneous memory access                  |
| Error detected at output.ads:39:8                                        |
realloc(): invalid pointer

raised PROGRAM_ERROR : unhandled signal
make[3]: *** [../../gcc/ada/gcc-interface/Make-lang.in:140: ada/exp_ch3.o] Error 1

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
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